Tweak.
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@ -2209,6 +2209,8 @@
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"add"
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*am33
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{
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int z, c, n, v;
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unsigned long sum;
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int srcreg1, srcreg2, dstreg;
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PC = cia;
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@ -2234,7 +2236,18 @@
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else
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dstreg = REG_E0 + RD0;
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genericAdd3 (State.regs[srcreg1], State.regs[srcreg2], dstreg);
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sum = source1 + source2;
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State.regs[dstreg] = sum;
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z = (sum == 0);
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n = (sum & 0x80000000);
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c = (sum < source1) || (sum < source2);
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v = ((source1 & 0x80000000) == (source2 & 0x80000000)
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&& (source1 & 0x80000000) != (sum & 0x80000000));
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PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V);
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PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0)
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| (c ? PSW_C : 0) | (v ? PSW_V : 0));
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}
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// 1111 1101 1101 1000 Rn Rn IMM32; cmp imm24,Rn
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